When two identical atoms share electron pairs and exert force on each other than bond form is ______...? Mcqs

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When two identical atoms share electron pairs and exert force on each other than bond form is ______...?

(A) Non-polar covalent bond
(B) Polar covalent bond

(C) Double covalent bond
(D) Coordinate covalent bond

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Electron has a much shorter wavelength than visible light, and this allows electron microscopes to produce _____ images....?

(A) Lower-resolution
(B) Higher-magnification

(C) Equal-resolution
(D) Higher-resolution

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The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________...?

(A) 1120 ft
(B) 120 ft

(C) 56 ft
(D) 100 ft

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In a solution, when water is used as a solvent that solution is called...?

(A) Saturated Solution
(B) Aqueous Solution

(C) Unsaturated Solution
(D) Concentrated Solution

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Which of the following was first to be discovered in the chromospheres of the sun...?

(A) Krypton
(B) Xenon

(C) Neon
(D) Helium

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Who came up with three laws of motion...?

(A) Galileo
(B) Albert Einstein

(C) Issac Newton
(D) Hubble

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During which process does heat transfer occur because of density differences__________...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None of these

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Animals that eat only plants are known as...?

(A) Carnivores
(B) Omnivores

(C) Herbivores
(D) None of these

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Sounds travel faster through solids than _______...?

(A) Liquid
(B) Gases

(C) Solids
(D) Both A and B

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In modern periodic table, how many groups are there...?

(A) 12
(B) 18

(C) 7
(D) 8

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